EP 0623923 A1 19941109 - Optical recording medium.
Title (en)
Optical recording medium.
Title (de)
Optisches Aufzeichnungsmedium.
Title (fr)
Support d'enregistrement optique.
Publication
Application
Priority
- EP 93303531 A 19930507
- US 5653793 A 19930505
Abstract (en)
An optical recording medium which has physical and chemical stability, has high sensitivity to laser light and permits accurate recording and highly reliable reproduction comprises a transparent substrate and a recording layer formed on the substrate, the recording layer being formed of an organic thin layer containing at least one phthalocyanine compound of a specified formula [1].
IPC 1-7
IPC 8 full level
C09B 47/06 (2006.01); C09B 47/073 (2006.01); G11B 7/248 (2006.01)
CPC (source: EP US)
C09B 47/063 (2013.01 - EP US); C09B 47/073 (2013.01 - EP US); G11B 7/248 (2013.01 - EP US); Y10S 430/146 (2013.01 - EP US)
Citation (search report)
- [A] EP 0527454 A1 19930217 - HITACHI CHEMICAL CO LTD [JP]
- [A] EP 0492508 A1 19920701 - MITSUI TOATSU CHEMICALS [JP], et al
- [A] EP 0357360 A2 19900307 - HITACHI CHEMICAL CO LTD [JP]
- [A] EP 0463550 A2 19920102 - MITSUI TOATSU CHEMICALS [JP]
- [A] EP 0379277 A2 19900725 - TEIJIN LTD [JP]
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
DOCDB simple family (application)
US 5653793 A 19930505; EP 93303531 A 19930507